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The D8 in the casting number would indicate it's not likely to be older than 1978, since that's when the engineering was done for that particular part, but not necessarily a 1978 engine. For that little tidbit, you need to read the date code, which is the other little number-letter-number combination shown in this picture.
The V in the 3rd position is throwing me a bit. That would indicate that the Lincoln division had something to do with making the block, but I'm not aware of them having anything to do with small block stuff in the 70's. Are you sure it's a 302, and not a 460? Can you share some pics?
7L9 translates to a casting date of November 9, 1977, which would make it a 1978 model year engine block. So that answers that. And if you're sure about it being a 302, and not something else, then that's really all you need to know, if you were to need to order parts for it. I'm certainly not the definitive expert on such things, but I've never seen Lincoln engineering marks on small block stuff. I guess you can still learn something new every day.
I only presume its a 302 because thats what I have been told, also I get 17mpg and would expect less from a 460.
The trans is a C4 - google showed up some sites with ref pics for transmission ID's and its deff a C4. Google also came up with listings for 5.0 motors on Lincoln Verseilles so it may be from that line (???)
One thing I can tell you, if any help, is that the spark plugs angle back on the drivers side and forward on the passenger side.
But anyway at least I have the dates for parts so I thank you for that.
You're probably right about it not being a 460 if you get 17mpg. :-)
The Lincoln Versailles was nothing more than a Ford Granada with a different grille and boot lid. The casting numbers do not indicate where a particular part was originally installed or what car it came from. They are engineering numbers attached to parts internally at Ford, and are more of an indication of the group that engineered and designed, and paid for said work on the part, but the part could be used anywhere throughout the company.
Most Ford engines, small blocks and big blocks, had angled plugs as you described, FYI. If you could snap and post a pic of the engine from under the hood, we could id it more definitively for you.
Some of this is helpful, and some contains mis-information. Particularly the link from Mustang Central dot com. It confuses part numbers with engineering numbers. They are two, totally separate items, and very commonly confused. Depending on the part, an engineering number cannot be accurately relied upon to tell what the part is from. Many times, there is no actual corrolation between the engineering number and the "part" number, which is the number one would use to order a replacement through the service parts department.
Some of this is helpful, and some contains mis-information. Particularly the link from Mustang Central dot com. It confuses part numbers with engineering numbers. They are two, totally separate items, and very commonly confused. Depending on the part, an engineering number cannot be accurately relied upon to tell what the part is from. Many times, there is no actual corrolation between the engineering number and the "part" number, which is the number one would use to order a replacement through the service parts department.
I noticed an arror on one of the date listings... I tend to cross reference alot of the data I find online, just to be sure. I remember those internet days before Google... progress rocks
Unless it comes direct from certain people's postings of course - once someone has a good rep, for instance on a forum such as this; they tend to ensure their info is as spot on as they can make it before they hit the 'submit reply' button.
Then it IS either a 302 or 351 Windsor and they are set on a bit of an angle. I was getting confused with the "angled plugs" reference - made me think of FE engines.
V - would be Lincoln
The 3rd character in the part number prefix was the lead vehicle line / user driving the change and funding the engine program.
In the States you basically had one Engine / Powertrain activity that supprted the various car and light truck lines.
We all forget about the fuel crunch that hit the mid-late 70's and some of the (less than) stellar products that hit the showroom floor. Like Versailles, better known as the Glorified Granada, that was 302 powered.
That's not to say the engine in question here didn't come out of a Mustang, you need some one like Bill / NumberDummy to weigh in as they may have shared a common head casting.
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